81521166061 Relay Valve for MAN Trucks

What does a relay valve do?

This relay valve serves as a critical component within the pneumatic brake system of heavy commercial vehicles. It functions by controlling the air pressure delivery to the brake chambers, ensuring precise and responsive braking action. The high-strength components are engineered to withstand demanding operating conditions in professional transport environments.

Vehicle compatibility and specifications

This specific unit is designed for use in MAN trucks. The component ensures synchronized braking performance by managing air flow through its specialized port configuration, which includes an M22x1,5 VOSS port and M16x1,5 VOSS ports for both Port 2 and Port 4.

Installation and maintenance

For proper installation, technicians should verify the port sizes and connection types to ensure a secure seal. This component is rated for a maximum operating pressure of 10 BAR. Regular inspection of the pneumatic lines and connection points is recommended to maintain optimal braking response during service intervals.

System reliability

The integration of this part within the brake circuit helps maintain system stability under varying loads. Consult your authorized distributor to ensure correct fitment for your specific vehicle requirements.

OE cross-reference

303.01.0004 (Relay Valve Relay Valves) is the equivalent of the MAN OE number. This part directly replaces MAN OE number 81521166061.